If your trip to Thief River Falls, MN Airport (TVF-Thief River Falls Regional) is all locked in but your travel itinerary is looking a little empty, let us give you a few hints and tips.Take a little detour to Greenwood Trail Recreation Area and leave the airport in your wake. It's one of those attractions you shouldn't leave off your itinerary. After that, drive toward Thief River Golf Club, which is also worth checking out.